KEYBOARD Supports: 1. Caps Lock Indicator 2. Num Lock Indicator 3. Keyboard battery status indicator 4. Power Switch 5. calculator key 6. Screen lock key 7. Fn+(F1~F12) Shortcut Multimedia Keys 8. Tablets Brightness Adjustment and so on. DURABLE KEYS & FREE SILICONE COVER: These round keys are made of durable ABS plastic which can be pressed up to 3 million times. Rather than stickers, the letters on keycaps are printed and covered with anti-scratched UV coating. Free soft silicone cover will protect your keyboard from dust and scratches. ONE MORE OPTION FOR COMPATIBILITY: Mobifice keyboard and mouse comes with one USB C Adapter and silicone keyboard cover as gifts, in this way, they can not only be used for PCs, desktop computer, Laptops, but also used for those tablets that own Type-C ports. WIDE COMPATIBILITY WITH WINDOWS & MAC OS: The cordless keyboard and mouse combo are compatible with Windows XP, Vista, 7, 8, 10 systems, Mac OS, and other USB devices, which means they work perfectly with your PCs, Laptop, Smart TV, desktop computer, notebook, or any other devices on the market. LONG BATTERY LIFE: Both the wireless keyboard and mouse feature auto sleeping mode once you stop using for 5 sec. They will work with a lower current to save energy. You can click any key to wake up them. Once you stop using the keyboard and mouse, both of them automatically entering into sleep mode, working with much lower current to save energy and better prolong battery lifespan. PLUG & PLAY 2.4G WIRELESS KEYBOARD & MOUSE: With 2.4GHz wireless technology and A 2-in-1 nano receiver, you can just insert the usb receiver to use keyboard and mouse combo or separately, without any software, driver necessary.(Only one USB Receiver in box and stored at back of keyboard). SILENT KEYBOARD AND MOUSE COMBO: Compact Size, real compact universal 100-keys wireless keyboard with a numerical keypad. The retro round keys adopt low-profile and scissor-switch design to speed up typing and reduce clicking noise.Noise-reduced scissor-cross Cute & Round Keys best suit working in a quiet environment. RETRO ROUND KEYBOARD DESIGN : Vintage typewriter-inspired rounded keycaps offer you visual enjoyment and please you with every single press & click.ABS material used, ultra-slim,unexpectedly lightweight, making it easy to carry on the go. The thinnest part is only 0.4cm.The ergonomic slope design of the keyboard gives you the most comfortable typing experience.